[Numpy-discussion] A step toward merging odeint and ode

Ralf Gommers ralf.gommers@gmail....
Tue Aug 14 14:21:53 CDT 2012


On Sun, Aug 12, 2012 at 12:41 PM, Fabrice Silva <silva@lma.cnrs-mrs.fr>wrote:

> I made a pull request [1] to integrate the LSODA solver that is used in
> odeint into the modular scipy.integrate.ode generic class. In a similar
> way as for vode, it just wraps the already present lsoda.f file
> (see .pyf file) and exposes it within an IntegratorBase subclass
> adjusting the coefficients before calling lsoda.
>

Does that mean that odeint can be made a wrapper around lsoda and that the
odepack static extension can be completely removed?

Ralf


>
> Note that lsoda provide automatic switching between stiff and non-stiff
> methods, feature that is not present in the available vode integrator.
>
> Final note: tests are ok!
>
> Regards,
>
> [1] https://github.com/scipy/scipy/pull/273
> --
> Fabrice Silva
>
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